A string of mysterious murders happen in an aristocratic mansion. The owners of the mansion seek CBI officer Sethurama Iyer's help to find the person responsible for the deaths.
Sethurama Iyer
Chacko
Vikram
Lakshmiyamma
Anitha
Mythili
Sai
Lakshmi
Maya
Kapra
Dr. Babu
Devaswam
Pradeep
Velu
Sankaran
George C Nair
DYSP Dhanapalan
Dr. Krishnan Nair
Hariharan
Elizabeth C Nair
Thirumeni
Poopparathy Vasu
Padmanabhan Achari
Krishnan
Gunda
Gunda
Villager
Villager
Mythili's Mother
Anitha's Kin
Thulasi
Richi
